As of February 2026 MKS Instruments has a market cap of โน1.580 Trillion. This makes MKS Instruments the world's 1323th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Feb 22nd, 2026 the market cap of MKS Instruments was reported to be: